Author Question: A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes ... (Read 82 times)

arivle123 · **on:** Jul 27, 2018

A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 30.0 above horizontal.

The tension in the rope is 5.00 N. Assuming the acceleration of gravity is 9.81 m/s2, what is the coefficient of friction between the sled and the ground?
A) 0.161
B) 0.188
C) 0.0441
D) 0.0851
E) 0.103

Question 2

60. mi/h is approximately

A) 20. m/s.
B) 120. m/s.
C) 30. m/s.
D) 60. m/s.
E) 30. km/h.